Many things: See a doctor for a consultation. This can be caused by an infection, trauma, arthritis, lesion, muscle or tendon issue, bone issue, a blood vessel issue (blockage of the arteries) etc.
Answered 5/12/2017
5.4k views
Many possible causes: Most likely it is due to overuse, but it could be due to a lot of different reasons. Knee pain can be due to gout, infection, or due to tendon, cartilage, or bone abnormalities. Have it evaluated by a professional and get the appropriate treatment.
Answered 6/10/2017
5.2k views
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